Types of heating elements by operating principle

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Termex. Has been producing boilers for almost 50 years. This manufacturer makes heating elements from copper and stainless steel. They are reliably protected, so they have a long service life. Termex has established itself on the market as a manufacturer of boilers of the largest volume, so you can find powerful electric heaters in the assortment.
Ariston. Heating elements from the Italian manufacturer are made of copper-containing alloy and equipped with a chrome-nickel tube. The flange is made of brass, which increases heat transfer. They are well protected from scale, easy to install. And at the same time they are relatively inexpensive. Ariston offers water heating elements with threads and a thermostat from 1.2 to 4.5 kW.
Electrolux. You can choose a heating element from this manufacturer for almost any model of heater. At the same time, they are guaranteed to last a long time, since they are especially resistant to scale and are spain mobile databasedemanding on the quality of water. A water heater with a heating element from Electrolux does not require frequent maintenance. Some devices from this manufacturer are equipped with two closed heating elements, so it is possible to increase the speed of heating the liquid.
Timberk. Another manufacturer that offers its products at an affordable price. The range includes heating elements designed for boilers of 80 or more liters of water. They are well protected from corrosion and other destructive factors.
The Atlantic company is also well-known. It produces a wide range of high-quality and reliable heating elements for boilers, including copper water heating elements, dry soapstone and others, suitable for vertical and horizontal installation.
Each manufacturer produces electric heaters designed for installation in boilers of their own production. However, you can also find universal heating elements. They are less popular due to their questionable quality, but their use is possible.

The features of open and closed heating elements are clear from the name. The first are not protected from water, the second are closed by a flask. They are also called wet and dry. The principle of their operation should be considered in more detail.

Wet
Wet-type heating elements are tubular, directly contact water and heat the water with their surface. Their service life depends on the quality of the water, its hardness, and the percentage of salts. Due to the impact of these factors, the metal corrodes, and a limescale deposit forms on the surface. By installing a magnesium anode, the process can be slowed down, since the element attracts salts. Vitreous enamel is also used to protect water heating tubes.